Audio cassette casing



FIG. 1 is a perspective view of the cassette casing;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is an side elevational view thereof, the opposite side being identical. 

The ornamental design for a audio cassette casing, as shown and described. 